Answered: Form submit always returns failure

I can't seem to ever get a success return after submitting a form. The response back to Sencha is valid JSON with the success tag set to true, but no matter what I try the failure action is always taken.

I would be very grateful if someone could point me in the right direction. I've googled like mad to try and work this out.

Form submit always returns failure

I might be too late for this but I faced a similar issue while working with form submit.
The reason in your case is I think the "success" parameter is looking for a boolean value.
So I think it should be